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(No Modl.) 2 Sheets-Sheet 1.

W. E. HOWARTH.

GRAIN SEPARATOB. No. 340,215. Patented Apr. 20, 1886 Hllill\\ Figiz. Ti .3.

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(No Model.) 2 SheetsSh'eet 2.

W. E. HOWARTH.

GRAIN SEPARATOR.

No. 340,215. Patented Apr. 20; 188 6.

K275755555 [ll-F511 7 z ff. hnm% y N. PEIERs. Pnuwbnw n hon Washington. 0.1:.

UNITED STATES PATENT OFFICE.

\VILLIAM EDWVIN HOVARTH, OF ST. THOMAS, ONTARTO, CANADA.

GRAIN-SEPARATOR.

SPECIFICATION forming part of Letters Patent 160,340,215, dated April 20. 1805.

Application tiled September 10, 1885. Serial No. 176,725. (No model.) Pntrnted in Canada January ll, 1882, N01337:.

To all whom it may concern:

Be it known that 1, WILLIAM EDWIN How- ARTH, a subject of the Queen of Great Britain, residing at the city of St. Thomas, in the county of Elgin, in the Province of Ontario, Canada, have invented certain new and useful Improvementsin Grain-Separators, of which the following is a specification.

This invention relates to a machine for separating wheat,oats, peas, barley, or any kind of grain from impurities, and distributing the grain, cracked grain, and chess, timothy, redtop, and other small seeds of value in different bins under the machine.

This invention consists of the improved construction and combination of parts of the same, as will be hereinafter more fully described and claimed.

The construction and operation will be more particularly explained with reference to the accompanying drawings, wherein Figure 1 is a side elevation of a grain separator embodying my invention. Fig. 2 is a longitudinal sectional view of same on the line 00 a: of Fig. 3. Fig. 3 is a rear end view of the machine shown in Fig. 1. Fig. 4 is a perspective View of lower shoe, partly in section. Fig. 5 is an enlarged detail perspective view of the adjustable strap-hinge and the crankshaft disconnected from it. Fig. 6 is an enlarged detail side elevation of Fig. 5. Fig. 7 is an enlarged detail cross-section on the line 2 z of Fig. 6.

Motion is communicated to this machine by a crank, A, attached to the shaft A. To this shaft A the fan-blades O O and cog-wheelsB B are connected, so that as the crank A. is turned the shaft A, cog-wheels B B", and fanblades 0 G revolve. The cog-wheel B meshes with the cog-wheel B, revolving on stud-pin V B, projecting out from the frame of the madistance from the center of this cog-wheel B one end of the connecting-rod D is connected. The other or lower end of this rod D is connected to the crank-arm J on the rock -shaft meshes with the cog-wheel B, revolving on a stud-pin, B projecting out from the frame of the machine, so that as the cog-wheel B revolves the cog wheel B also revolves. K

At any suitable distance from the center of the cogwheel B one end of the rod D is con nected. The other end of this rod is connected to one arm of the bell crank I. The other arm of this bell-crank Iis connected to the shoe G, which is suspended on hangers K K, v and is steadied by a brace, L, at each side of the machine, so that as the cogwheel B revolves it imparts through its connecting mechanism a shaking motion to the shoe G from side to side, which agitates the grain on the riddles M M, and causes the grain and other seeds to pass through said riddles, while the chaff and light impurities are blown out at the back of the machine by the action of the fan-blades G O. The grain first entersthe.

spreading-hopper N, one side, S of which is loose and rides on the bearings S. This side S of the hopperN may be drawn out to allow the grain to pass through the hopper and fall on the catch-boards O O, which are adjustable and deliver the grain on the riddles M M, Where required. The ends of these catch-boards O O are fitted to engage with grooves O O in the sides of the shoe G, and are th reby permitted to be moved over the riddles M M any distance required, to increase or diminish the action of said riddles M M on the grain. The quantity of grain passing through the machine can be regulated by the distance the side S of the hopperN is drawn out. The grain and other seeds of value fall from the riddles M M onto and through the screens H H? H H* H? in the shoe G.

T T T '1 are guides, constructed of thin flat sheets of metal, wood, or any other suitable material. the shoe G below the screens H H H H The ends of these guides are secured to the inner sides of the shoe G, and are for the purpose of delivering the grain'and other seeds of value from the screens to the different receptacles or bins S S S S under the machine.

E is a crank-shaft, which supports the'shoe G, and to which the shoe G is connected at the front end of the machine, by anysuitable connecting device.

E is a rock-shaft, to which the shoe G is able securing device.

connected at the rear end by ahinge, F, which is formed of the strap a, slotted strap a, and hinge-bolt b.

Near the lower end of the strap a of the hinge F a perforation, a", is formed, through which the shaft E passes. This strap a is rigidly secured to the shaft E by set-screw F", or other suitable securing device. The setscrew F may be withdrawn and the strap a moved around and brought more upright on the crank-shaft E, which also raises the shoe G as well as the screens secured therein. Then by tightening the set-serewl on the crankshaft E the strap a, as well as the shoe G, and screens are held at this position. This has the effectof shortening the length of the distance in which the shoe and screens move, and thereby lessening the agitation of the grain and seed on the screens, which is necessary for some kinds of grain. If the strap a be moved around backward and brought more parallel with the ground to lower the shoe, the distance that the shoe would move would be greater, and thereby agitate the grain to make it deliver more freely.

The strap a of the hinge F is secured to the bottom of the shoe G by bolts or other suit- As the crank-arm J is operated by the rod D, the outer end of this crank-arm J is moved back and forth in a curved line, represented by the dotted line and the strap a of the hinge F, which is secured to this shaft E, is operated in a similar manner, which swings the shoe as well as the screens secured therein back and forth in a curved line, which raises and lowers the shoe, at the same time imparting a backward and forward motion lengthwise of the machine to the shoe G and to the screens H H" H H and chute H secured therein, and this shoe G and the screens secured therein being agitated in this manner prevent the screens from being choked with the grain, as the grain is kept continually rolling, and thereby deli vering freely from the screens H H H H H and chute H to the chutes T T and guides T T T T.

P is a slide provided with a handle, P, which projects through a narrow opening in the end of the shoe G. This slide P extends across the shoe G opposite the end of the screen H, which catches the large grain or seed-wheat. The ends of the slide P are fitted to engage with and slide back and forth in grooves Pin the sides of the shoe G.

I) is a partition extending across the shoe G,

to prevent small grain or other seeds from into the receptacle R placed at the side of the machine. 7

The screen H catches the very large grain, which is used for seed-wheat. By pressing inthe handle P of the slide P the slide P is moved up to the end of the screen H, thereby bridging the space between the tail end of said screen and the vertical partition or side wall, b, of the chute T, as shown in Fig. 2, so that when the large grain, by the agitation of the shoe G, reaches the end of the screen H they roll on over the slide P (as the upper face of the slide P is on a level with the upper face of the screen H) and down chute T and into will be allowed to fall into the chute T and become mixed with that passing over the tail of screen H is a screen, which catches all the marketable grain. This grain passes over the end of the screen H along the chute T out at the front of the machine, and is delivered into any suitable receptacle, R.

\Vhen seed-wheat is not required, by drawing out the handle P of the slide P the latter is moved back from the end of the screen H, which leaves an open space at the end of the screen H, through which the seed-grain falls onto chute T", and is delivered at the front of the machine with the marketable grain, so that the different grades of grain can be delivered separately or together, as required.

The screen H catches the very small grain and cookie. roll over the end of the screen H by the agitation of the shoe G they are delivered by guide T into bin S.

The screen H catches the cracked grain and chess. As this cracked grain and chess roll over the end of the screen H they are delivered by guide T into'the bin S. i

The screen H catches the timothy-seed. As this seed rolls over the end of the screen H it is delivered by the guide T into the bin S". i

The chute H catches the red-top seed and other fine seeds. As this-red-top seedand other small seeds roll over the end of the chute H, they are delivered into the bin S by guide Thus the different grades of grain, as well as the difierent seeds of value, are separated, cleaned, and delivered into separate bins under the machine.

Vthen required, the screen H can be secured in the place of the screen H", which will carry the small grain to the general delivery when there is no cookie in thewheat or when cleaning oats and barley.

I am aware that it is not newlto provide a grain-separator with a hinged deflector or cant-board, whereby the material tailing oil from a pair of screens may be directed into As this small grain and cockle IIO one and the same or into different chutes or receptacles, at the will of the operator, and do not claim such, broadly, as my invention.

Having thus described my invention, I

claim 1. The combination, with the shoe and a rock-shaft, of a strap pivotally connected at one end to the shoe and adj ust-ably connected at the other end to the rock-shaft, substantially as set forth.

2. The combination, with the shoe G and the rock-shaft E, of the hinge F, consisting of the perforated strap a, the strap a, and the bolt 1), by which they are connected, and the set-screw F, by which it is secured to the rockshaft, for the purpose set forth.

3. The combination, with the shoe G, having the grooves P the screen H and the chute T of the chute T, the screen H, terminating some distance from said chute T, and the slide P, occupying said grooves and adapted to bridge the space between the tail of the screen H and the adjacent side of the chute 5. The combination, with a shoe and a crank-shaft by which it is supported at one end, of a rock-shaft having an adjustable hinged connection with said shoe at the other end, substantially as set forth.

In testimony whereof I affix my signature in the presence of the two undersigned witnesses.

WILLIAM EDWIN HOWARTH.

Witnesses:

P. J. EDMUNDs, A. EDMUNDS. 

